A new STAC API provides access to rating curve files. This API will replace the ratings depot in winter 2026.
Category: Water Data
The National Water Availability Assessment Data Companion (NWDC) provides nationally-consistent modeled water data, including the surface water supply and use index (SUI), which is an indication of water limitation across the lower 48 United States. In this blog, we demonstrate how to programmatically download data from the Data Companion using R and API web services, process the data for mapping, and create customized data visualizations.
New features on the National Water Dashboard include a new experience when clicking a site, Data of Interest to customize your view, and usability updates for your Area-of-Interest.
The National Water Availability Assessment Data Companion provides a centralized source for national water availability data, including quantity, quality, and use across approximately 80,000 sub-watersheds nationwide.
Building firefly-style maps in R to see patterns in stream names across United States.
Building a reproducible system for identifying the generic feature words from stream names using R.
We have released modernized Water Data APIs which will supersede the WaterServices family of APIs. Users will need to migrate their applications to use these new services in order to retain uninterrupted access to USGS water data going forward.
Metadata are crucial to interpreting and understanding USGS water data. With the modernization of WDFN, we are changing the way you access and explore USGS water data metadata.
Water Data for the Nation (WDFN) is being modernized to simplify our data delivery and enable all data collection categories to be found from the same pages and tools. This post will orient you to where to find water data in the modernized WDFN.
Where to find and download daily data in Water Data for the Nation